#include <iostream>

using namespace std;
class User{
private:int id;
         int password;
         string emile;
public:User(int id,int password):id(id),password(password){
cout<<"UserA()"<<endl;
}
        User(int id,int password,string emile):id(id),password(password),emile(emile){cout<<"UserB()"<<endl;}
        void showUser(){cout<<"id: "<<this->id<<" password:"<<this->password<<"  emile: "<<this->emile<<endl;}
        void setId(int id){this->id=id;}
        void setPassword(int password){this->password=password;}
        void setEmile(string emile){this->emile=emile;}};

int main()
{User user1(1001,1111,"123@qq.com");
user1.showUser();
User user2(1002,1111);
user2.showUser();
    return 0;
}
